<wicket:panel>
<table>
  <tr><th>Before</th><th>After</th></tr>
  <tr wicket:id="roletype">
    <td wicket:id="oldvalue"></td>
    <td><span wicket:id="newvalue"/></td>
  </tr>       
</table>
<input type="button" wicket:id="button"/><br>
</wicket:panel>		
